Low profile, yes. Low performance? Not a chance. Merrell's Men's Chameleon3 Ventilator GORE-TEX(R) for men is a fully breathable, fortified with an injection molded TPU heel and has an instep engineered for greater stability, augmented by a In-Board(TM) Compression footframe. Yet despite all this hardware, you'll find them to be light enough for a full day of hiking in all kinds of terrain.